Checking the concentration of coolant in a test car at the Polychemicals Technical Services Lab. In the background are twenty radiators and motor blocks also used to test anti-freezes. The DuPont lab is situated at Chesnut Run near Wilmington,...

Checking the concentration of coolant in a test car at the Polychemicals Technical Services Lab. In the background are twenty radiators and motor blocks also used to test anti-freezes. The DuPont lab is situated at Chesnut Run near Wilmington,...

In addition to constant chemical checks on the process of manufacturing yarn at the viscose rayon plants of E.I. du Pont Nemours & Company, scrutiny is also given to such physical characteristics as the uniformity of denier, elongation, elasticity...

Bobbins of twisted yarn are checked on creel preparatory to winding on beam for weaving. Each individual strand, called an end, must be wound with meticulous care to insure steady feed in high speed weaving operation. Machine at DuPont's...

Corfam poromeric shoe upper material is checked foot by foot for uniformity of texture, color and thickness at the DuPont Company's Old Hickory, Tennessee plant. Corfam is the result of 200 man hours of research and testing at the chemical company.

Continuous roll of Corfam poromeric shoe material is inspected at DuPont's pilot plant for the man made upper material in Newburg, New York. A full scale plant is being built by the chemical company at Old Hickory, Tennessee and commercial...

Screw machine production increased by new Jones & Laughlin "E" Steel. Production of nuts, studs, fittings and other machined parts on equipment such as this six spindle automatic screw machine has been increased from 10 to 25 per cent when Jones &...

Bonded to building materials, DuPont's new 'Tedlar' PVF film gives them a useful, low maintenance outdoor life of many years without refinishing. Here, a DuPont salesman, right, check tests in Pre-Finish Metal plant in Chicago. In the building...

Nylon yarn is checked for weight. Samples of uniform length are taken from bobbins that come from the spinning machines and weighed to check the denier of the yarn, This is one of the steps in the DuPont Company's plants at Seaford, Delaware;...

Neoprene sheet becomes a rope prior to cutting and packing. Here, a DuPont foreman checks texture of the material at the 50 million pound neoprene plant near Montague, Michigan. The only general purpose synthetic rubber in commercial manufacture in...